Radeon HD 6990M and Quadro K1000M - video card comparison
Radeon HD 6990M
Quadro K1000M
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Blackcomb XTX
N14P-Q1
Market segment
Laptop
Mobile workstation
Release date
July 2011
June 2012
Interface
MXM-B (3.0)
MXM-A (3.0)
Supplementary power connectors
None
-
Core clock speed
715 MHz
850 MHz
Floating-point performance
1,601.6 gflops
326.4 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,270 million
Pipelines / CUDA cores
1120
192
Power consumption (TDP)
100 Watt
45 Watt
Texture fill rate
40.04
13.60
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
1800 MHz
Memory bandwidth
115.2 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
+
Optimus
-
+